Standard No.:	MT 20-1990
English Name:	Vertical shaft skip rope
Chinese Name:	立井多绳提煤箕斗
Chinese Classification:	D93    Promotion, storage and transportation equipment
Professional Classification:	MT    Professional Standard - Coal
Source Content Issued by:	SAWS
Issued on:	1990-10-26
Implemented on:	1990-11-1
Status:	valid
Superseding:	MT 20-1975
Target Language:	English
File Format:	PDF
Word Count:	5000 words
Translation Price(USD):	120.0
Delivery:	via email in 1 business day

1 Subject and Scope This standard specifies the product classification, technical requirements, test methods, test rules and marking, packing, transport and storage of the multi-rope coal skip in shaft. This standard is applicable to the multi-rope coal skips used with the multi-rope friction hoist.

1 Subject and Scope 1 2 Normative References 1 3 Product Classification 12 4 Technical Requirements 3 5 Testing Methods and Inspection Rules 5 6 Marking, Packing, Transport and Storage 7 Appendix A (Additional) Tonnages and Suspending Methods of the Additional Counter Weight 17 Appendix B (Additional) The Positions of the Skip Discharging Dump Rail and the Receiving Bunker 2021 Appendix C (Reference) Sectional Layout of the Shaft 2123 Additional Explanations: 2527